Homework Help: math

Posted by norman on Thursday, October 21, 2010 at 11:29pm.

an oceanographic research vessel comes across a volcano under the sea. The top of the volcano is 450 ft below the surface and the sea floor is -6700 ft. What is the height of the volcano.

I believe it would be -6250ft..is this true

math - Henry, Saturday, October 23, 2010 at 9:16pm
This one is a little tricky, but i w0uld do it this way:

h = -450 -(-6700) =-450 + 6700 = 6250ft

I placed a neg. sign in front of 450 because it is below the surface also.

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